S-91849A038 1"-8 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional durability with 18-8 stainless steel construction, offering superior corrosion resistance for long-lasting performance in harsh environments.
• Enhanced load distribution due to the extra wide profile, reducing surface pressure and preventing material damage in heavy-duty applications.
• Reliable coarse threading (UNC) ensures quick and secure assembly, minimizing cross-threading risks and speeding up installation processes.
• Precise Class 2B thread fit guarantees consistent engagement and vibration resistance, maintaining joint integrity under dynamic loads.
• Robust external hex drive allows for high-torque application with standard tools, improving efficiency in industrial maintenance and assembly.
• Compliance with RoHS 3 and REACH standards ensures environmental safety and regulatory acceptance for global supply chains.
• Right-hand thread design provides familiar, straightforward installation for common machinery and structural applications.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this 1"-8 UNC extra wide hex nut addresses critical challenges like vibration loosening and corrosion-induced failure. The 18-8 stainless steel material delivers excellent resistance to rust and chemicals, ideal for outdoor equipment, marine hardware, and chemical processing plants. Its coarse thread and Class 2B fit enhance grip in high-stress connections, such as structural frameworks and heavy machinery, where reliability is paramount. The extra wide profile distributes clamping force evenly, reducing the risk of bolt fatigue and extending service life. This nut is a trusted solution for engineers seeking corrosion-resistant, high-strength fasteners that meet rigorous industry standards.

Specification Summary & Compliance

This hex nut features a 1"-8 UNC coarse thread with Class 2B thread fit for precise dimensional accuracy, ensuring compatibility with standard bolts. Key dimensions include a width of 1 5/8" and height of 63/64". It adheres to manufacturing norms for external hex drive and right-hand thread direction. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and regulated industrial applications.